NPPES file of Aug 9, 2026

Kenneth C. Ip, MD

Ophthalmology Physician · San Francisco, CA

Kenneth C. Ip, MD is an ophthalmology physician with a practice address in San Francisco, California, and NPI 1750469359, issued on Nov 1, 2006. Check the license (California A60511, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750469359
Name
Kenneth C. Ip
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
A60511 CA
Self-reported in NPPES; status is on the state search
Practice location
2200 Ofarrell St, San Francisco, CA 94115
Phone
(415) 833-2000
Enumerated
Nov 1, 2006
Record last updated
Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00A605110 CA
Medicare enrollment
Enrolled (PECOS I20101201001288); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 1994
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2200 Ofarrell St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Luba Abascal, MDInternal Medicine Physician1023180874
  2. Mitchell Adachi, MDAnatomic Pathology Physician1720166366
  3. Lesley Aiken, MDInternal Medicine Physician1629156120
  4. Jonathan Alexander, MDHospitalist Physician1811075450
  5. Gabull Alhadhrami, NPAcute Care Nurse Practitioner1427124098
  6. Bryan Andrews, MDAnesthesiology Physician1609954239

Verify Kenneth C. Ip in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A60511
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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25% more Medicare Part D claims than the average ophthalmology physician in 2024

1,901 Medicare Part D claims for 516 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Kenneth Ip1,901
  2. Specialty average1,518

Most prescribed

  1. Latanoprost565 claims
  2. Prednisolone Acetate357 claims
  3. Dorzolamide-Timolol289 claims
  4. Timolol Maleate204 claims
  5. Brimonidine Tartrate187 claims
  6. Diclofenac Sodium70 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $190.22

2 payments; by number, the most common kind was food and beverage; the largest payer was RxSight Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kenneth Ip$190.22
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Permanente Medical Group IncSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kenneth C. Ip among 2,899 ophthalmology physician records in California

Kenneth C. Ip, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 45% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1994 · median 2001 among the 1,907 with a school on file
  • Record last updated2021 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in California

There are 2,899 ophthalmology physician records in California.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Everett Ai, MDSan Francisco, CA 941151235130618
  2. Arthur Allen, MDSan Francisco, CA 941151255332334
  3. Mary Ann Banez, M.D.San Francisco, CA 941151558323360
  4. Donald Fletcher, M.D.San Francisco, CA 941151689633638
  5. Anne Fung, MDSan Francisco, CA 941151588665939
  6. David Heiden, MDSan Francisco, CA 941151053312108
  7. Danny Lin, MDSan Francisco, CA 941151871595710
  8. Karen Oxford, MDSan Francisco, CA 941151396746749

Common questions

What is Kenneth C. Ip, MD's NPI number?

Kenneth C. Ip, MD's National Provider Identifier (NPI) is 1750469359, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth C. Ip, MD located?

The NPPES record lists a practice address at 2200 Ofarrell St, San Francisco, CA, 94115. Phone: (415) 833-2000. Providers update this record themselves, so call before visiting.

How can I verify Kenneth C. Ip, MD's license?

NPPES lists California license number A60511, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kenneth C. Ip, MD prescribe under Medicare Part D?

In 2024, Kenneth C. Ip, MD had 1,901 Medicare Part D claims for 516 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.